Removinf block comment

#include <stdio.h>
#include <stdlib.h>

//Removing Block Comment from a given Code.

int main()
{
    char a;
    FILE *fp1,*fp2;
    fp1=fopen("new1.txt","r");
    fp2=fopen("new2.txt","w");
    while((a=fgetc(fp1))!=EOF)
    {
        if(a=='/')
        {
         while((a=fgetc(fp1))!=EOF)
        {
        if(a=='*')
        {
            while((a=fgetc(fp1))!=EOF)
            {
                if(a=='*')
                {
                    while((a=fgetc(fp1))!=EOF)
                    {
                        if(a=='/')
                            a=fgetc(fp1);
                            break;
                    }
                    break;
                }
            }
            break;

        }
        else
        {
            fputc('/',fp2);
            break;
        }

        }

        }
    fputc(a,fp2);

    }
    fclose(fp2);
    fclose(fp1);
    fp2=fopen("new2.txt","r");
    while((a=fgetc(fp1))!=EOF)
    {
        printf("%c",a);
    }
    fclose(fp2);

    return 0;
}